Question

calculeaza,folosind regula​

Answer 1

Răspuns:

a) $2^{3} *5^{3} = (2*5)^{3} = 10^{3}$

b) $(3^{9} *7^{9} )(3^{7} *7^{7} ) = (3*7)^{9} *(3*7)^{7} = 21^{9} *21^{7} = 21^{16}$

c) $(2^{20} *5^{20} )(4^{10} *25^{10} ) = (2*5)^{10} *(4*25)^{10} = 10^{10} *100^{10} = 10^{10} *10^{20} = 10^{30}$

d) $(7^{10} *5^{10} )(49^{3} *25^{3} )=(7*5)^{10} *(7^{6} *5^{6} ) = 35^{10} *35^{6} = 35^{16}$

Explicație pas cu pas: